DTA143ZCA-TP

Overview

The DTA143ZCA-TP is a single PNP digital transistor manufactured by Micro Commercial Components (MCC) in an SOT-23 package. It integrates thin-film bias resistors R1 and R2 to simplify circuit design. Key electrical parameters include a maximum supply voltage of -50 V, a collector current of -100 mA, and power dissipation of 200 mW. The device features a typical transition frequency of 250 MHz, an input resistance (R1) of 4.7 kΩ, and a resistance ratio (R2/R1) of 10. It operates within a junction temperature range up to 150°C.

Feature Summary

• Built-in bias resistors enable inverter configuration without external input components
• Thin-film resistors provide complete isolation for negative biasing capabilities
• Halogen-free construction with UL 94 V-0 flammability rating

Applications

• Inverter circuits
• Switching applications
• Logic interface circuits

Procurement Notes

Verify the authenticity of the DTA143ZCA-TP component by purchasing exclusively from Micro Commercial Components or their authorized distributors. Counterfeit parts pose significant risks; unauthorized sources do not receive warranty coverage. Ensure the ordering suffix indicates RoHS compliance and confirm the tape-and-reel packaging quantity matches the required specifications before finalizing procurement.

Selection Notes

Select the DTA143ZCA-TP when a PNP digital transistor with integrated biasing is required for space-constrained designs. The SOT-23 package suits surface-mount applications. Consider the -50 V supply limit and -100 mA current capacity against circuit demands. The fixed resistor ratio of 10 defines the gain characteristics, making it suitable for standard logic interfacing where specific biasing networks are unnecessary.

Part Context

This component belongs to the DTA143ZCA series of pre-biased transistors. The "-TP" suffix denotes RoHS compliance and lead-free finish. MCC manufactures this device using epitaxial planar die construction. The product line focuses on simplifying digital switching designs by combining a transistor with internal biasing resistors in a compact footprint.

Replacement Considerations

Cross-reference with other PNP digital transistors in the SOT-23 package having similar -50 V ratings and 100 mA currents. Verify that substitute devices offer comparable R1 values near 4.7 kΩ and matching resistance ratios to maintain circuit performance.